下面的代码在IE中正常,但是在firefox中不能飘动!
代码如下:
<div id="ad" style="position:absolute">
<a href="yfjl/index.asp" target="_blank">
<img src="images/jlwt.png" border="0">
</a></div>
<script>
var x = 50,y = 60
var xin = true, yin = true
var step = 1
var delay = 10
var obj=document.getElementById("ad")
function floatAD() {
var L=T=0
var R= document.body.clientWidth-obj.offsetWidth
var B = document.body.clientHeight-obj.offsetHeight
obj.style.left = x + document.body.scrollLeft
obj.style.top = y + document.body.scrollTop
x = x + step*(xin?1:-1)
if (x < L) { xin = true; x = L}
if (x > R){ xin = false; x = R}
y = y + step*(yin?1:-1)
if (y < T) { yin = true; y = T }
if (y > B) { yin = false; y = B }
}
var itl= setInterval("floatAD()", delay)
obj.onmouseover=function(){clearInterval(itl)}
obj.onmouseout=function(){itl=setInterval("floatAD()", delay)}
</script>请高手指点
代码如下:
<div id="ad" style="position:absolute">
<a href="yfjl/index.asp" target="_blank">
<img src="images/jlwt.png" border="0">
</a></div>
<script>
var x = 50,y = 60
var xin = true, yin = true
var step = 1
var delay = 10
var obj=document.getElementById("ad")
function floatAD() {
var L=T=0
var R= document.body.clientWidth-obj.offsetWidth
var B = document.body.clientHeight-obj.offsetHeight
obj.style.left = x + document.body.scrollLeft
obj.style.top = y + document.body.scrollTop
x = x + step*(xin?1:-1)
if (x < L) { xin = true; x = L}
if (x > R){ xin = false; x = R}
y = y + step*(yin?1:-1)
if (y < T) { yin = true; y = T }
if (y > B) { yin = false; y = B }
}
var itl= setInterval("floatAD()", delay)
obj.onmouseover=function(){clearInterval(itl)}
obj.onmouseout=function(){itl=setInterval("floatAD()", delay)}
</script>请高手指点
再然后:obj.style.left = x + document.body.scrollLeft +"px"
ie8,ff3.5,chrome3.0下测试通过<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head><title></title></head>
<body>
<div id="ad" style="position:absolute">
<a href="yfjl/index.asp" target="_blank">
<img src="http://avatar.profile.csdn.net/6/D/1/2_sohighthesky.jpg" border="0">
</a> </div>
</body>
<script>
var x = 50,y = 60
var xin = true, yin = true
var step = 1
var delay =10
var obj=document.getElementById("ad")
function floatAD() {
var L=T=0
var de=document.documentElement;
var R= de.clientWidth-obj.offsetWidth
var B = de.clientHeight-obj.offsetHeight
obj.style.left = x + de.scrollLeft +'px';
obj.style.top = y + de.scrollTop +'px';
document.title=obj.style.left +"|" +obj.style.top;
x = x + step*(xin?1:-1)
if (x < L) { xin = true; x = L}
if (x > R){ xin = false; x = R}
y = y + step*(yin?1:-1)
if (y < T) { yin = true; y = T }
if (y > B) { yin = false; y = B }
}
var itl= setInterval("floatAD()", delay)
obj.onmouseover=function(){clearInterval(itl)}
obj.onmouseout=function(){itl=setInterval("floatAD()", delay)}
</script>
</html>
$(document).ready(function(){
//隐藏错误提示的方法
$("#btnKnow").click(function(){
$("#message").text("");
$("#divShowError").hide();
});
picTop = (document.documentElement.clientHeight - 112) / 2
$("#divShowError").css("top", picTop);
$("#divShowError").css("left", (document.documentElement.clientWidth - 350) / 2);
});
这样的话 在w3c标准中就没问题了。